TFF Second League (Turkish Football Federation Second League) or TFF 2. Lig (in Turkish), is the third level in the Turkish football league system.

TFO (short for Télévision française de l'Ontario) is a Canadian publicly funded French language educational television channel and media organization serving the province of Ontario.

TfL Rail is the franchise of two separate railway lines in London and its environs that will form part of the Crossrail service when it opens in stages from Autumn 2019. At that time, the TfL Rail name will be retired and the services will become known as the Elizabeth line.

TFI Friday is an entertainment show that was broadcast on Channel 4 in the United Kingdom. It was produced by Ginger Productions, written by Danny Baker and hosted by Chris Evans, for the first five series.

TFX (formerly NT1) is a French free-to-air television network. It is a subsidiary of TF1 Group.

The TFF First League is the second level of the Turkish football league system. The league was founded in 2001 as the Turkish Second League Category A after the reorganization of the Second Football League, which was the second level of the Turkish league system between 1963 and 2001. The league was called Türk Telekom Lig A in the 2006–2007 season, and was renamed to TFF First League prior to the 2007–08 season.